X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=ipc%2Fnamespace.c;h=59451c1e214d71f1b771b764d309b20759e19eb6;hb=2c5cb2770392fb9c5d8518688c8bc61986d70dc6;hp=4be6581d3b7fa075c3d899e889ce6d09e8fcca86;hpb=1025c04cecd19882e28f16c4004034b475c372c5;p=firefly-linux-kernel-4.4.55.git

diff --git a/ipc/namespace.c b/ipc/namespace.c
index 4be6581d3b7f..59451c1e214d 100644
--- a/ipc/namespace.c
+++ b/ipc/namespace.c
@@ -81,7 +81,7 @@ void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids,
 	int next_id;
 	int total, in_use;
 
-	down_write(&ids->rw_mutex);
+	down_write(&ids->rwsem);
 
 	in_use = ids->in_use;
 
@@ -89,11 +89,12 @@ void free_ipcs(struct ipc_namespace *ns, struct ipc_ids *ids,
 		perm = idr_find(&ids->ipcs_idr, next_id);
 		if (perm == NULL)
 			continue;
-		ipc_lock_by_ptr(perm);
+		rcu_read_lock();
+		ipc_lock_object(perm);
 		free(ns, perm);
 		total++;
 	}
-	up_write(&ids->rw_mutex);
+	up_write(&ids->rwsem);
 }
 
 static void free_ipc_ns(struct ipc_namespace *ns)